Portion of a grater



FIG. 1 is a perspective view of the portion of a grater showing my new design, the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is an enlarged perspective view thereof;

FIG. 3 is a top plan view of FIG. 2;

FIG. 4 is a front elevation view of FIG. 2;

FIG. 5 is a bottom plan view of FIG. 2;

FIG. 6 is a rear elevation view of FIG. 2;

FIG. 7 is a left side elevation view of FIG. 2, the right side being a mirror image;

FIG. 8 is a perspective view of an alternate embodiment of FIG. 1;

FIG. 9 is a top plan view of FIG. 8;

FIG. 10 is a front elevation of FIG. 8;

FIG. 11 is a bottom plan view of FIG. 8;

FIG. 12 is a rear elevation of FIG. 8; and,

FIG. 13 is a left side elevation of FIG. 8, the right side being a mirror image. 

The ornamental design for a portion of a grater, as shown and described. 